俺も壊れた

# portupgrade -Ccu gmake
[Updating the pkgdb <format:bdb_btree> in /var/db/pkg ... /var/db/pkg/pkgdb.db:
unexpected file type or format -- Invalid argument; rebuild needed] [Rebuilding
the pkgdb <format:bdb_btree> in /var/db/pkg ... [Updating the pkgdb <format:bdb_
btree> in /var/db/pkg ... /var/db/pkg/pkgdb.db: unexpected file type or format -
- Invalid argument; rebuild needed] [Rebuilding the pkgdb <format:bdb_btree> in
/var/db/pkg ... /var/db/pkg/pkgdb.db: unexpected file type or format -- Invalid
argument: Cannot update the pkgdb!]: Cannot update the pkgdb!]
Command failed [exit code 1]: /usr/local/sbin/pkgdb -aFQ

# pkgdb -aFQ
[Updating the pkgdb <format:bdb_btree> in /var/db/pkg ... /var/db/pkg/pkgdb.db:
unexpected file type or format -- Invalid argument; rebuild needed] [Rebuilding
the pkgdb <format:bdb_btree> in /var/db/pkg ... /var/db/pkg/pkgdb.db: unexpected
file type or format -- Invalid argument: Cannot update the pkgdb!]: Cannot upda
te the pkgdb!]